code: def profile_phik(hist):
      from phik import phik
  
      # calculate phik correlation
      grid = get_2dgrid(hist)
  
      try:
          phi_k = phik.phik_from_hist2d(observed=grid)
      except ValueError:
          # self.logger.debug(
          #     f"Not enough values in the 2d `{name}` time-split histogram to apply the phik test."
          # )
          phi_k = np.nan
      return phi_k
  
file_path: popmon/popmon/analysis/profiling/profiles.py
imports: import numpy
  from popmon.analysis.hist_numpy import get_2dgrid
  from popmon.base.registry import Registry
  from popmon.hist.hist_utils import sum_entries
  from popmon.stats import numpy
label_desc: Use image node_id 7 for calling a global function with example usage: profile_phik(hist) and returns: phi_k